제출 #141150

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
141150	2019-08-07 02:52:00	Breno_XD	마라톤 경주 (COCI14_utrka)	C++14	0 / 80	2 ms	376 KiB

utrka

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#include <bits/stdc++.h>
using namespace std;
int n;
map<string, int> mapa;
int main(){
  
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    
    scanf("%d", &n);
    for(int i=1; i<=n; i++){
        string s;
        cin >> s;
        mapa[s]++;
    }
    for(int i=1; i<n; i++){
        string s;
        cin >> s;
        mapa[s]--;
    }
    for(map<string,int>::iterator it = mapa.begin(); it!=mapa.end(); it++){
        if(it->second == 1){
            cout << it->first << "\n";
            break;
        }
 
 
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컴파일 시 표준 에러 (stderr) 메시지

utrka.cpp: In function 'int main()':
utrka.cpp:11:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n);
     ~~~~~^~~~~~~~~~

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